Finding the Fourth Proportional to 1,776,608.70, 2,663,163.45 and 878,189.10
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Solution
The fourth proportional to 1,776,608.70, 2,663,163.45 and 878,189.10 is: 1,316,418.81
Step by Step Solution
- Step 1: Write the proportion equation
1,776,608.70 : 2,663,163.45 = 878,189.10 : x - Step 2: Convert to fraction form
1,776,608.70/2,663,163.45 = 878,189.10/x - Step 3: Cross multiply
1,776,608.70x = 2,663,163.45 × 878,189.10 - Step 4: Simplify right side
1,776,608.70x = 2,338,761,113,308.40 - Step 5: Solve for x
x = 2,338,761,113,308.40/1,776,608.70 - Step 6: Final answer
x = 1,316,418.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.